The hottest thermostat to hit the market since, well... maybe ever?, has announced a few new features that will be automatically added to all purchased Nest thermostats. Among them: energy history, an automatic cooling shut-off, and some user stats. (From Cleantechnica)

Carbon offsets have been semi-controversial since they were first introduced, with various parties weighing in on the pros and cons of being able to “buy forgiveness” for carbon emissions. A climate scientist weighs in on the unexpected consequences of offsets, and why he will not be purchasing any. (From Nature.com)